938319433 has 2 divisors, whose sum is σ = 938319434. Its totient is φ = 938319432.

The previous prime is 938319407. The next prime is 938319451. The reversal of 938319433 is 334913839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938319424 + 9 = 30632^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 938319433 - 2²⁹ = 401448521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938319433.

It is not a weakly prime, because it can be changed into another prime (938319463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469159716 + 469159717.

It is an arithmetic number, because the mean of its divisors is an integer number (469159717).

Almost surely, 2^938319433 is an apocalyptic number.

It is an amenable number.

938319433 is a deficient number, since it is larger than the sum of its proper divisors (1).

938319433 is an equidigital number, since it uses as much as digits as its factorization.

938319433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 938319433 is about 30632.0001469052. Note that the first 3 decimals coincide. The cubic root of 938319433 is about 979.0019802953.

The spelling of 938319433 in words is "nine hundred thirty-eight million, three hundred nineteen thousand, four hundred thirty-three".